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monitor_type_discontinued

422 Unprocessable Content   This monitor type is discontinued.

When you get it

This monitor type is discontinued. It is always answered with HTTP 422 - one code means one status, so a client may key its handling on either.

Fields it carries

Inside each errors[] entry, beside pointer:

type

The monitor or contact type the rule applies to.

successor

What to use instead of the discontinued value.

A field is omitted when the server genuinely does not know it - an absent member is never the same as an empty one.

How to fix it

The request was well-formed but a value is not acceptable. The fields above name the offending value and what would be accepted - fix the request and retry.

Shape

{
  "type":   "https://api2.host-tracker.com/problems/monitor-type-discontinued",
  "title":  "This monitor type is discontinued.",
  "status": 422,
  "code":   "monitor_type_discontinued",
  "errors": [
    { "type": …, "successor": … }
  ]
}